| Jurassic Park | 1993 | gg, sms |
| Jurassic Park | 1994 | segacd |
| Jurassic Park - The Game | 2011 | xbox360 |
| Just Ignore Them | 2019 | vita |
| Juujigen Rippoutai Cypher - Game of Survival | 2007 | ps2 |
| Juujigen Rippoutai Sypher Portable | 2009 | psp |
| Juunikoku-ki - Guren no Shirube Koujin no Michi | 2003 | ps2 |
| Juunikoku-ki - Kakukakutaru Oudou Kouryoku no Uka | 2004 | ps2 |
| Juuza Engi - Engetsu Sangokuden | | psp |
| KLAP!! - Kind Love and Punish | 2015 | vita |
| KLAP!! - Kind Love and Punish - Fun Party | 2017 | vita |
| KUBO | 2018 | nes |
| KUBO 3 | 2020 | nes |
| Ka 2 - Let's Go Hawaii | 2003 | ps2 |
| Kabu Trader Shun | 2007 | nds |
| Kachou Shima Kousaku - Super Business Adventure | 1993 | snes |
| Kadenz Fermata - Akkord - Fortissimo | 2014 | vita |
| Kaen Seibo - The Virgin on Megiddo | 2001 | dreamcast |
| Kaerazu no Mori | 2002 | ps2 |
| Kaeru Batake de Tsukamaete | 2010 | ps2, psp, vita |
| Kaeru Batake de Tsukamaete - Natsu Chigira Sansen! | 2010 | ps2 |
| Kaeru Batake de Tsukamaete - Natsu Chigira Sansen! | 2015 | vita |
| Kaeru Batake de Tsukamaete - Natsu Chigira Sansen! Portable | | psp |
| Kagakusha Harley no Haran Banjou | 1994 | snes |
| Kagami no Kuni no Legend | 1989 | pcengine |
| Kagayaku Kisetsu e | 1999 | ps1 |
| Kaguya Hime Densetsu | 1988 | nes |
| Kaidan Restaurant - Zoku! Shin Menu 100-sen | 2011 | nds |
| Kaihou Shoujo - Sin | 2013 | ps3 |
| Kaihou Shoujo SIN | 2014 | vita |
| Kaiketsu! Osabakiina | 2004 | ps2 |
| Kaitou Apricot | 2003 | dreamcast |
| Kaitou Apricot | 2003 | ps1 |
| Kaitou Apricot Kanzenban | 2005 | ps2 |
| Kaitou Apricot Portable | 2007 | psp |
| Kaitou Rousseau | 2006 | nds |
| Kaitou Saint Tail | 1997 | saturn |
| Kaitou Tenshi Twin Angel - Toki to Sekai no Labyrinth | 2011 | psp |
| Kajiri Kamui Kagura - Akebono no Hikari | 2013 | vita |
| Kakyuusei | 1997 | saturn |
| Kaleido Eve | 2015 | psp |
| Kamaitachi no Yoru | 1994 | snes, wiiu |
| Kamaitachi no Yoru - Rinne Saisei | 2017 | vita |
| Kamaitachi no Yoru 2 - Kangoku-jima no Warabe-uta | 2002 | ps2 |
| Kamaitachi no Yoru 2 Tokubetsu-hen | 2006 | psp |
| Kamaitachi no Yoru Advance | 2002 | gba |
| Kamaitachi no Yoru X3 - Mikazuki-jima Jiken no Shinsou | 2006 | ps2 |
| Kamaitachi no Yoru ×3 | 2024 | ps4, switch |
| Kamen no Maid Guy - Boyoyon Battle Royale | 2009 | psp |
| Kamidanomi Shisugite Ore no Mirai ga Yabai | 2017 | vita |
| Kamigami no Asobi | 2013 | psp |
| Kamigami no Asobi InFinite | 2016 | psp |
| Kamigami no Asobi InFinite | 2016 | vita |
| Kaminaru Kimi to | 2011 | psp |
| Kamisama Kazoku - Ouen Ganbou | 2006 | ps2 |
| Kamisama to Koi Gokoro | 2012 | psp, vita |
| Kamonohashikamo. - Aimai Seikatsu no Susume | 2009 | nds |
| Kana - Imouto | 2010 | psp |
| Kannagi no Mori - Satsukiame Tsuzuri | 2019 | vita |
| Kannou Mukashi-banashi Portable | 2012 | psp |
| Kanojo Step | 2018 | vita |
| Kanojo no Densetsu, Boku no Sekiban - Amirion no Ken to Tomo ni | 2003 | ps2 |
| Kanokon Esuii | 2008 | ps2 |
| Kanon | 2000 | dreamcast, ps2 |
| Kanon | 2007 | psp |
| Kanuchi - Futatsu no Tsubasa | 2010 | psp |
| Kao no Nai Tsuki - Select Story | 2009 | ps2 |
| Karumaruka - Circle | 2017 | ps4, vita |
| Karyuujou | 1997 | ps1 |
| Kasei Monogatari | 1998 | ps1 |
| Kashimashi - Girl Meets Girl - Hajimete no Natsu Monogatari | 2006 | ps2 |
| Katahane - An' Call Belle | 2018 | vita |
| Katakamuna - Ushinawareta Ingaritsu | 2004 | ps2 |
| Katekyoo Hitman Reborn! Let's Ansatsu! Nerawareta 10-daime! | 2007 | ps2 |
| Katekyoo Hitman Reborn! Nerae! Ring x Vongola Trainers | 2008 | ps2 |
| Kathy Rain | 2021 | switch |
| Kaze no Oka Kouen Nite | 1998 | ps1 |
| Kaze no Uta | 2004 | dreamcast |
| Kazeiro Surf | 2009 | ps2 |
| Kazoku Keikaku | 2010 | psp |
| Kazoku Keikaku - Kokoro no Kizuna | 2005 | ps2 |
| Kazoku Keikaku - Re - Tsumugu Ito | 2013 | ps3 |
| Kazoku Keikaku - Re-Tsumugu Ito | 2014 | vita |
| Keiji J.B. Harold no Jikenbo - Manhattan Requiem & Kiss of Murder | 2007 | nds |
| Keiji J.B. Harold no Jikenbo - Murder Club | 2008 | nds |
| Kelly Club | 2001 | gbc |
| Ken Follett's The Pillars of the Earth | 2017 | ps4 |
| Ken ga Kimi - Momoyo Tsuzuri | 2016 | vita |
| Ken ga Kimi for V | 2015 | vita |
| Kenka Banchou Otome | | vita |
| Kenran Butousai | 2005 | ps2 |
| Kenshou Akou Jiken - Chuushingura - Rekishi Adventure | 1998 | ps1 |
| Kenshuui Tendo Dokuta | 2004 | nds |
| Kentucky Route Zero: TV Edition | 2020 | ps4, switch, xboxone |
| Kid Chameleon | 1992 | genesis |
| Kid Chameleon | 2007 | wii |
| Kid Dracula | 1993 | gb |
| Kid Dracula | 1990 | nes |
| Kid Icarus | 2007 | wii |
| Kid Mix Section - Character Collection | 2001 | ps1 |